#app {
    font-family: Microsoft YaHei, Helvetica Neue, Helvetica, Roboto, STHeiTi, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
/********** * reset *********/

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
body,
dl, dt, dd, ul, ol, li,
h1, h2, h3, h4, h5, h6,
pre, code, form, fieldset, legend, input, textarea,
p, blockquote, th, td, hr, button,
article, aside, details, figcaption, figure, footer, header, menu, nav, section {
    margin: 0;
    padding: 0;
    border: 0;
}
/* 默认不要下划线*/

a {
    text-decoration: none;
}
/* 按钮文本不可选*/
button {
    user-select: none;
}
img {
    vertical-align: middle;
}
/* 加载不出来的图片不要显示灰色边框*/
img:not([src]), img[src=""] {
    opacity: 0;
}
ul, ol {
    list-style: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
input, select, button, textarea {
    font-size: 100%;
    font: inherit;
}
html, body {
    height: 100%;
    overflow-x: hidden;
}
.none {
    display: none !important;
}
